and run cargo update:
```
Updating aho-corasick v0.7.14 -> v0.7.15
Updating cc v1.0.61 -> v1.0.63
Updating const_fn v0.4.2 -> v0.4.3
Updating env_logger v0.8.1 -> v0.8.2
Adding form_urlencoded v1.0.0
Updating libc v0.2.79 -> v0.2.80
Updating memchr v2.3.3 -> v2.3.4
Updating num-traits v0.2.12 -> v0.2.14
Updating once_cell v1.5.1 -> v1.5.2
Updating regex v1.4.1 -> v1.4.2
Updating regex-syntax v0.6.20 -> v0.6.21
Updating ring v0.16.15 -> v0.16.16
Updating syn v1.0.46 -> v1.0.48
Updating termcolor v1.1.0 -> v1.1.2
Updating tinyvec v0.3.4 -> v1.0.1
Adding tinyvec_macros v0.1.0
Updating unicode-normalization v0.1.13 -> v0.1.16
Updating url v2.1.1 -> v2.2.0
```
